This is the last image taken by NASA's New Horizon's spacecraft before it made its closest approach to Pluto. The piano-sized probe was speeding toward the planet at 30,000 miles per hour and was 476,000 miles away. (Source: NASA)
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After a journey of 10 years and three billion miles, NASA's New Horizons spacecraft has made its closest approach to Pluto. I'm not saying "successfully" because we don't yet know how well the spacecraft has fared during its close encounter. We'll know by about 9 p.m. EDT when New Horizons is supposed to phone home. But scientists do know that the piano-sized probe skimmed just 7,750 miles above the surface of the far away world at 7:49 EDT today — as planned — and is now speeding ever outward into the icy Kuiper Belt. When ...
